I have setup my environment for Slx Web to use Windows Authentication and it seems to work great when I am connected to the network and I point to Windows.aspx... it will automatically log me in without asking for credentials.  However, it doesn't work when I am not connected to the network.  Lots of information online indicates that if I point to Windows.aspx without being connected to the network I should be prompted to enter my network credentials and this should log me in.  But instead I am redirected to the standard SalesLogix login screen (where I can enter my SalesLogix password but it won't take my network credentials).  I have read online of other people having this same problem but I haven't found a workable solution.  Anyone have any ideas?  Thanks.